Koeberlinia spinosa var. wivaggii

W. C. Holmes

Brittonia 60: 180, figs. 2D, 4. 2008.

Treatment appears in FNA Volume 7. Treatment on page 185.
Revision as of 11:05, 30 July 2020 by imported>Volume Importer
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Plants 1–3 m; young thorns densely puberulent; mature thorns 20–60 mm, 2–3.4 mm at base (15 or less times longer than base width). Flowers: petals ca. 3 mm; style 0.4–0.7 mm, straight (sometimes slightly curved when dry); gynophore (stipe) 0.3–0.5 mm.


Phenology: Flowering Jun–Jul.
Habitat: Desert flats, hillsides, arroyos
Elevation: 100-2100

Distribution

V7 238-distribution-map.gif

Ariz., N.Mex., Tex., Mexico (Chihuahua), Mexico (Coahuila), Mexico (Durango), Mexico (Nuevo León), Mexico (San Luis Potosí), Mexico (Sonora), Mexico (Zacatecas)

Discussion

Variety wivaggii is primarily a taxon of the Chihuahuan Desert, occurring in a region between the more easterly var. spinosa and the more westerly var. tenuispina.

Selected References

None.

Lower Taxa

None.
ellipsoid +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Gordon C. Tucker +
W. C. Holmes +
globose +
Ariz. +, N.Mex. +, Tex. +, Mexico (Chihuahua) +, Mexico (Coahuila) +, Mexico (Durango) +, Mexico (Nuevo León) +, Mexico (San Luis Potosí) +, Mexico (Sonora) +  and Mexico (Zacatecas) +
100-2100 +
pubescent +  and glabrous +
0.28 cm2.8 mm <br />0.0028 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
actinomorphic +  and pedunculate +
rotate;crateriform campanulate or urceolate +
indehiscent +
mucronate +
5 cm50 mm <br />0.05 m <br /> (?) +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
Desert flats, hillsides, arroyos +
corymbose +  and racemose +
0.3 cm3 mm <br />0.003 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
arranged +  and alternate +
evanescent +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (?) +
1-carpellate +
0.1 cm1 mm <br />0.001 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
cream +  and greenish white +
distinct +
3mm;4.8mm +
oblanceolate +  and obovate +
3 cm30 mm <br />0.03 m <br /> (?) +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
Flowering Jun–Jul. +
not arillate +
rugulose +
orbicular;reniform +
0.3 cm3 mm <br />0.003 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
greenish white +
persistent +
connate +  and distinct +
ovate-deltate +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Illustrated +
glabrate +  and glabrous +
straight +
persistent +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
Koeberlinia spinosa var. wivaggii +
Koeberlinia spinosa +
variety +
mature +  and young +
0.2 cm2 mm <br />0.002 m <br /> (0.34 cm3.4 mm <br />0.0034 m <br />) +
thorn-tipped +
25 cm250 mm <br />0.25 m <br /> (70 cm700 mm <br />0.7 m <br />) +
open +  and compact to somewhat +